postorivofarms
02.10.2020 •
Physics
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A reckless coyote engineer straps on a pair of ice skates and attaches a rocket capable of producing 5.00×103 N
of thrust to his back. Together, the coyote and the rocket have a mass of 1.70×102 kg.
If the coyote starts at rest on level, frictionless ice and bends over such that the rocket thrust is parallel to the ice, what is his final speed
if the rocket burns for 4.70 s?
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Ответ:
Movement is caused in air molecules when an object vibrates. These molecules bump into the molecules close to them, causing them to vibrate as well. Then a chain reaction occurs when other molecules start bumping into each other more and more until they run out of energy, this is sound waves.